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Island Park, ID Weather


Island Park, ID climate is mild during summer when temperatures tend to be in the 60's and extremely cold during winter when temperatures tend to be in the 10's.

The warmest month of the year is August with an average maximum temperature of 9.99 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 5.30 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 38 degrees Fahrenheit, and moderate during winter with an average difference of 23 degrees Fahrenheit.

The annual average precipitation at Island Park is 9.99 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is January with an average rainfall of 3.38 Inches.

Weather Data

Normal Climate

Normal Temperatures

(ISLAND PARK Weather station, 0.30 miles from Island Park)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 26.5 31.2 38.0 47.9 58.7 69.8 78.8 79.3 69.7 55.7 36.7 27.0 51.6
Mean °F 15.9 19.2 26.4 35.6 45.4 53.9 60.6 59.9 51.2 40.5 26.1 16.4 37.6
Min °F 5.3 7.2 14.8 23.3 32.1 38.0 42.4 40.5 32.6 25.3 15.5 5.8 23.6

Normal Precipitation

(ISLAND PARK Weather station, 0.30 miles from Island Park)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 3.38 2.80 2.51 1.91 2.58 2.32 1.60 1.50 1.59 1.69 2.44 3.33 9.99